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Ding, YB; Guo, XH; Li, XQ; Shen, PN; Ding, YB , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Possible effects of quark and gluon condensates in heavy quarkonium spectra
Source PublicationPHYSICAL REVIEW D
KeywordQuantum Chromodynamics Potential Model Qcd Systems Vacuum
AbstractThe Cornell potential with the best fitted parameters alpha(s) and kappa are modified by adding terms derived from nouperturbative QCD, which are characterized by a series of nonvanishing vacuum condensates of quarks and gluons. In terms of this potential, we study the system of heavy quarkonia. The results show that the correction caused by the additional terms reduces the deviation between the data and the values calculated with the pure Cornell potential and improves the splittings of energy levels. The achievements indicate that the nonperturbative effects induced by vacuum condensates play an important role for the correction to 1/q(2), which in general was phenomenologically put in by hand. This result would be helpful for understanding nonperturbative QCD along a parallel direction to the QCD sum rules.
1996
ISSN0556-2821
Volume54Issue:1Pages:1136-1142
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12614
Collection理论物理所科研产出_SCI论文
Corresponding AuthorDing, YB , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
Ding, YB,Guo, XH,Li, XQ,et al. Possible effects of quark and gluon condensates in heavy quarkonium spectra[J]. PHYSICAL REVIEW D,1996,54(1):1136-1142.
APA Ding, YB,Guo, XH,Li, XQ,Shen, PN,&Ding, YB , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1996).Possible effects of quark and gluon condensates in heavy quarkonium spectra.PHYSICAL REVIEW D,54(1),1136-1142.
MLA Ding, YB,et al."Possible effects of quark and gluon condensates in heavy quarkonium spectra".PHYSICAL REVIEW D 54.1(1996):1136-1142.
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